Annotation of sys/sys/vmmeter.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: vmmeter.h,v 1.12 2003/06/02 23:28:22 millert Exp $ */
2: /* $NetBSD: vmmeter.h,v 1.9 1995/03/26 20:25:04 jtc Exp $ */
3:
4: /*-
5: * Copyright (c) 1982, 1986, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. Neither the name of the University nor the names of its contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: *
32: * @(#)vmmeter.h 8.2 (Berkeley) 7/10/94
33: */
34:
35: #ifndef __VMMETER_H__
36: #define __VMMETER_H__
37:
38: /*
39: * System wide statistics counters. Look in <uvm/uvm_extern.h> for the
40: * UVM equivalent.
41: */
42:
43: /* systemwide totals computed every five seconds */
44: struct vmtotal
45: {
46: u_int16_t t_rq; /* length of the run queue */
47: u_int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */
48: u_int16_t t_pw; /* jobs in page wait */
49: u_int16_t t_sl; /* jobs sleeping in core */
50: u_int16_t t_sw; /* swapped out runnable/short block jobs */
51: u_int32_t t_vm; /* total virtual memory */
52: u_int32_t t_avm; /* active virtual memory */
53: u_int32_t t_rm; /* total real memory in use */
54: u_int32_t t_arm; /* active real memory */
55: u_int32_t t_vmshr; /* shared virtual memory */
56: u_int32_t t_avmshr; /* active shared virtual memory */
57: u_int32_t t_rmshr; /* shared real memory */
58: u_int32_t t_armshr; /* active shared real memory */
59: u_int32_t t_free; /* free memory pages */
60: };
61:
62: /*
63: * Fork/vfork/rfork accounting.
64: */
65: struct forkstat
66: {
67: int cntfork; /* number of fork() calls */
68: int cntvfork; /* number of vfork() calls */
69: int cntrfork; /* number of rfork() calls */
70: int cntkthread; /* number of kernel threads created */
71: int sizfork; /* VM pages affected by fork() */
72: int sizvfork; /* VM pages affected by vfork() */
73: int sizrfork; /* VM pages affected by rfork() */
74: int sizkthread; /* VM pages affected by kernel threads */
75: };
76:
77: /* These sysctl names are only really used by sysctl(8) */
78: #define KERN_FORKSTAT_FORK 1
79: #define KERN_FORKSTAT_VFORK 2
80: #define KERN_FORKSTAT_RFORK 3
81: #define KERN_FORKSTAT_KTHREAD 4
82: #define KERN_FORKSTAT_SIZFORK 5
83: #define KERN_FORKSTAT_SIZVFORK 6
84: #define KERN_FORKSTAT_SIZRFORK 7
85: #define KERN_FORKSTAT_SIZKTHREAD 8
86: #define KERN_FORKSTAT_MAXID 9
87:
88: #define CTL_KERN_FORKSTAT_NAMES { \
89: { 0, 0 }, \
90: { "forks", CTLTYPE_INT }, \
91: { "vforks", CTLTYPE_INT }, \
92: { "rforks", CTLTYPE_INT }, \
93: { "kthreads", CTLTYPE_INT }, \
94: { "fork_pages", CTLTYPE_INT }, \
95: { "vfork_pages", CTLTYPE_INT }, \
96: { "rfork_pages", CTLTYPE_INT }, \
97: { "kthread_pages", CTLTYPE_INT }, \
98: }
99: #endif /* __VMMETER_H__ */
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